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Ensinger PEI

Isoflon PTFE + 15% Graphite Polytetrafluoroethylene with 15% Graphite
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Conductive Carbon Filled

Material Notes: Properties:
  • Good thermal conductivity
  • Low coefficient of friction
  • Low permeability

Applications: Non-lubricated dynamic seals.

Information provided by Isoflon.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 2.14 - 2.19 g/cc2.14 - 2.19 g/ccASTM D792
Deformation 5.0 - 6.0 %
@Time 86400 sec
5.0 - 6.0 %
@Time 24.0 hour
Permanent, after Relaxation; ASTM D695
 10 - 12 %
@Time 86400 sec,
Pressure 13.7 MPa
10 - 12 %
@Time 24.0 hour,
Pressure 1990 psi
Under Load; ASTM D695
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 55 - 6055 - 60ASTM D2240
Tensile Strength 18.0 - 23.0 MPa2610 - 3340 psiASTM D4894
Elongation at Break 200 - 250 %200 - 250 %ASTM D4894
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+7 ohm-cm1.00e+7 ohm-cmASTM D257
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 260 °C500 °F
Minimum Service Temperature, Air -200 °C-328 °F
 
Descriptive Properties
Ageing and WeatherabilityStable over 20 years of exposure

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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